test(redis): added redis dep

.circleci/config.yml

@@ -10,6 +10,7 @@ jobs:
   test:
     docker:
       - image: 'circleci/node:12'
+      - image: 'circleci/redis:6'
       - image: circleci/postgres:12
         environment:
           POSTGRES_DB: speckle2_test